Pith Number

pith:37YPXV7K

pith:2013:37YPXV7KKIVV445HBJNJPEBXXA

not attested not anchored not stored refs pending

X-ray Transients in the Advanced LIGO/Virgo Horizon

Andy Ptak, John Baker, Jonah Kanner, Jordan Camp, Kunal Mooley, Lindy Blackburn, Richard Mushotzky

arxiv:1305.5874 v2 · 2013-05-25 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37YPXV7KKIVV445HBJNJPEBXXA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:49:46.629089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff0fbd7ea522b5e73a70a5a979037b83dc70d3fead33d8d938eb6b5b82ada97

Aliases

arxiv: 1305.5874 · arxiv_version: 1305.5874v2 · doi: 10.48550/arxiv.1305.5874 · pith_short_12: 37YPXV7KKIVV · pith_short_16: 37YPXV7KKIVV445H · pith_short_8: 37YPXV7K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/37YPXV7KKIVV445HBJNJPEBXXA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dff0fbd7ea522b5e73a70a5a979037b83dc70d3fead33d8d938eb6b5b82ada97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f98187ab5bea677bb2cb5e2e8f7d01dcd48d9015d40bb24b639623e2d6dd578f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-25T01:12:37Z",
    "title_canon_sha256": "a653bfa989a9d649d7473d1362de463470749dc0ba613443d028bccf464e45e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5874",
    "kind": "arxiv",
    "version": 2
  }
}